This stylish active headband, style Serenity, is multi-functional for all your activities. PowPow active headbands have two layers of lightweight max-dri material that provide comfort and warmth. They are great year-round for days that are chilly or cold and can be worn on street to slopes. They fit easier under helmets for skiing or boarding. Our customers also like them for everyday wear. Keep your ears warm and your hair back.